### Name: axis.break
### Title: Place a "break" mark on an axis
### Aliases: axis.break
### Keywords: misc

### ** Examples

 plot(3:10,main="Axis break test")
 # put a break at the default axis and position
 axis.break()
 axis.break(2,2.9,style="zigzag")
 twogrp<-c(rnorm(10)+4,rnorm(10)+20)
 gap.plot(twogrp,gap=c(8,16),xlab="Index",ylab="Group values",
  main="Two separated groups with gap axis break",
  col=c(rep(2,10),rep(3,10)),ytics=c(3,5,18,20))
 legend(12,6,c("Low group","High group"),pch=1,col=2:3)



